Finding the Fourth Proportional to 17,085.59, 23,578.14 and 9,531.71

Step by Step Solution

1. Step 1: Write the proportion equation
   17,085.59 : 23,578.14 = 9,531.71 : x
2. Step 2: Convert to fraction form
   17,085.59/23,578.14 = 9,531.71/x
3. Step 3: Cross multiply
   17,085.59x = 23,578.14 × 9,531.71
4. Step 4: Simplify right side
   17,085.59x = 224,740,078.10
5. Step 5: Solve for x
   x = 224,740,078.10/17,085.59
6. Step 6: Final answer
   x = 13,153.78